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Discover LudwigSuggestions(5)
'by a factor of two' is a correctly written phrase and is commonly used in written English.
You can use it when referring to something that has increased or decreased by a multiple of two. For example, "The costs of the project have increased by a factor of two."
Exact(55)
scores by a factor of two.
This average decreases by a factor of two every week.
Contours are separated by a factor of two.
We think we can reduce that number by a factor of two, as well.
We focused on only pitch-shifting up by a factor of two.
But this probably understates the total error by a factor of two.
Walking increases your respiration by a factor of two to three.
To simplify things a bit, if fuel efficiency increases by a factor of two and if in response the amount of driving increases by a factor of two, then the net impact on the environment should be around zero.
"Varying the width by a factor of two allows us to modulate the bandgap by more than 1eV," says Fischer.
Graduate students have also signaled their enthusiasm for collegiate life; their rooms were oversubscribed by a factor of two!
We think we can reduce that by a factor of two, which would be a significant energy impact.
More suggestions(18)
by a coefficient of two
by a player of two
by a jury of two
by a merger of two
by a sequence of two
by a maximum of two
by a margin of two
by a combination of two
by a photograph of two
by a vote of two
by a gathering of two
by a majority of two
by a photo of two
by a crew of two
by a passerby of two
by a team of two
by a drawing of two
by a power of two
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com